From: eillon Date: Wed, 25 Feb 2026 04:04:17 +0000 (+0800) Subject: arm64/sysreg: Add HDBSS related register information X-Git-Url: http://git.ipfire.org/gitweb/?a=commitdiff_plain;h=72f7be0c2e303be591ace9312c51d22d7c2d6882;p=thirdparty%2Flinux.git arm64/sysreg: Add HDBSS related register information The ARM architecture added the HDBSS feature and descriptions of related registers (HDBSSBR/HDBSSPROD) in the DDI0601(ID121123) version, add them to Linux. Signed-off-by: eillon Signed-off-by: Tian Zheng Signed-off-by: Will Deacon --- diff --git a/arch/arm64/include/asm/esr.h b/arch/arm64/include/asm/esr.h index 7e86d400864e0..81c17320a588d 100644 --- a/arch/arm64/include/asm/esr.h +++ b/arch/arm64/include/asm/esr.h @@ -160,6 +160,8 @@ #define ESR_ELx_CM (UL(1) << ESR_ELx_CM_SHIFT) /* ISS2 field definitions for Data Aborts */ +#define ESR_ELx_HDBSSF_SHIFT (11) +#define ESR_ELx_HDBSSF (UL(1) << ESR_ELx_HDBSSF_SHIFT) #define ESR_ELx_TnD_SHIFT (10) #define ESR_ELx_TnD (UL(1) << ESR_ELx_TnD_SHIFT) #define ESR_ELx_TagAccess_SHIFT (9) diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg index 6c3ff14e561e6..4516971cea06e 100644 --- a/arch/arm64/tools/sysreg +++ b/arch/arm64/tools/sysreg @@ -4597,6 +4597,35 @@ Sysreg GCSPR_EL2 3 4 2 5 1 Fields GCSPR_ELx EndSysreg +Sysreg HDBSSBR_EL2 3 4 2 3 2 +Res0 63:56 +Field 55:12 BADDR +Res0 11:4 +Enum 3:0 SZ + 0b0000 4KB + 0b0001 8KB + 0b0010 16KB + 0b0011 32KB + 0b0100 64KB + 0b0101 128KB + 0b0110 256KB + 0b0111 512KB + 0b1000 1MB + 0b1001 2MB +EndEnum +EndSysreg + +Sysreg HDBSSPROD_EL2 3 4 2 3 3 +Res0 63:32 +Enum 31:26 FSC + 0b000000 OK + 0b010000 ExternalAbort + 0b101000 GPF +EndEnum +Res0 25:19 +Field 18:0 INDEX +EndSysreg + Sysreg DACR32_EL2 3 4 3 0 0 Res0 63:32 Field 31:30 D15